Wristwatch



FIG. 1 is a front elevational view of a wristwatch showing my newdesign;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirrorimage thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a left side elevational view thereof.

The ornamental design for a wristwatch, as shown and described.